T-Motor Velox F7 SE F722 Flight Controller & Velox V50A SE 3-6S AM32 4in1 ESC Stack - 30x30mmThe F7 SE stack supports 8 motor outputs and can also be used on the X8 drone; it uses a 42688 gyroscope and is paired with firmware version 4. 4. 3 or higher to provide better stability. It is equipped with a 128 MB large capacity black box chip, larger than the 16 MB black box of the regular F722. The F7 SE stack is equipped with T Motor Velox motors, which can bring a more comfortable and stable flying experience. This flying tower is specially